National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Heavy Rainfall in Southern California and in the Southern Plains; Heavy Snow in the Sierra Nevada Mountains and Rockies

A Pacific storm will bring coastal/lower elevation heavy to excessive rainfall to southern California and the Southern Rockies today, with localized flash flooding possible, especially near recent burn scars. Heavy snow is forecast over parts of the Sierra Nevada Mountains today and over the Northern Rockies on Wednesday. Several inches of snowfall accumulation is possible. Read More >

Current conditions at

Gaithersburg - Montgomery County Airport (KGAI)

Lat: 39.17°NLon: 77.17°WElev: 495ft.

Overcast

61°F

16°C

Humidity 87%
Wind Speed Vrbl 3 mph
Barometer 30.10 in (1020.5 mb)
Dewpoint 57°F (14°C)
Visibility 10.00 mi
Last update 14 Oct 6:56 pm EDT
Extended Forecast for

North Potomac MD

  • Tonight

    Tonight: Mostly clear, with a low around 50. North wind 6 to 9 mph.

    Low: 50 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 70. North wind 6 to 11 mph, with gusts as high as 22 mph.

    High: 70 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Clear, with a low around 41. North wind around 7 mph.

    Low: 41 °F

    Clear

  • Thursday

    Thursday: Sunny, with a high near 62. North wind 6 to 13 mph, with gusts as high as 22 mph.

    High: 62 °F

    Sunny

  • Thursday Night

    Thursday Night: Clear, with a low around 37. North wind around 6 mph.

    Low: 37 °F

    Clear

  • Friday

    Friday: Sunny, with a high near 63.

    High: 63 °F

    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 44.

    Low: 44 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 71.

    High: 71 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 54.

    Low: 54 °F

    Partly Cloudy

Detailed Forecast

Tonight
Mostly clear, with a low around 50. North wind 6 to 9 mph.
Wednesday
Sunny, with a high near 70. North wind 6 to 11 mph, with gusts as high as 22 mph.
Wednesday Night
Clear, with a low around 41. North wind around 7 mph.
Thursday
Sunny, with a high near 62. North wind 6 to 13 mph, with gusts as high as 22 mph.
Thursday Night
Clear, with a low around 37. North wind around 6 mph.
Friday
Sunny, with a high near 63.
Friday Night
Partly cloudy, with a low around 44.
Saturday
Mostly sunny, with a high near 71.
Saturday Night
Partly cloudy, with a low around 54.
Sunday
A chance of showers after 2pm. Partly sunny, with a high near 73. Chance of precipitation is 40%.
Sunday Night
Showers likely. Mostly cloudy, with a low around 50. Chance of precipitation is 60%.
Monday
A chance of showers. Mostly sunny, with a high near 66. Chance of precipitation is 30%.
Monday Night
Mostly clear, with a low around 46.
Tuesday
Sunny, with a high near 68.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
North Potomac MD
 39.09°N 77.25°W (Elev. 348 ft)
Last Update:
3:42 pm EDT Oct 14, 2025
Forecast Valid:
7pm EDT Oct 14, 2025-6pm EDT Oct 21, 2025
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation